Home / 197,207,786.40-295,244,809.20-120,680,282.40

Finding the Fourth Proportional to 197,207,786.40, 295,244,809.20 and 120,680,282.40

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Solution

The fourth proportional to 197,207,786.40, 295,244,809.20 and 120,680,282.40 is: 180,673,530.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    197,207,786.40 : 295,244,809.20 = 120,680,282.40 : x
  2. Step 2: Convert to fraction form
    197,207,786.40/295,244,809.20 = 120,680,282.40/x
  3. Step 3: Cross multiply
    197,207,786.40x = 295,244,809.20 × 120,680,282.40
  4. Step 4: Simplify right side
    197,207,786.40x = 35,630,226,951,390,120
  5. Step 5: Solve for x
    x = 35,630,226,951,390,120/197,207,786.40
  6. Step 6: Final answer
    x = 180,673,530.20

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.